package com.qinghong.springcloud.service;

import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

@Service
public class PaymentService {

    public String paymnentInfo_OK(Integer id){
        return "线程池"+Thread.currentThread().getName()+"paymnentInfo_OK";
    }

    @HystrixCommand(fallbackMethod = "paymentInfo_TimeOutHandler",commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds",value = "3000")
    })

    public String paymnentInfo_TimeOut(Integer id){
        int timeNumber = 5;
//        int age = 10/0;
        try{
            TimeUnit.SECONDS.sleep(timeNumber);
        }catch (InterruptedException e){
            e.printStackTrace();
        }
        return "线程池"+Thread.currentThread().getName()+"paymnentInfo_TimeOut";
    }

    public String paymentInfo_TimeOutHandler(Integer id){
        return "线程池"+Thread.currentThread().getName()+"出错";
    }

    // 服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties ={
            @HystrixProperty(name = "circuitBreaker.enabled",value = "true"),
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"),
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMillisecond",value = "10000"),
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60")
    })
    public String paymentCircuitBreaker(@PathVariable("id") Integer id){
        if (id<0){
            throw new RuntimeException("id不能为负数");
        }
        return Thread.currentThread().getName()+"成功";
    }


    public String paymentCircuitBreaker_fallback(@PathVariable("id") Integer id){
        return "id不能为父";
    }

}
